NERVASTRAL has pioneered the use of plastic thru-wall flashing and membrane waterproofing for over 60 years, and continues to be a dominant force in the market.

NERVASTRAL CONCEALED FLASHING & MEMBRANE WATERPROOFING PRODUCTS
Nervastral HD, 300, 56, 400, HD 15 and Barrier are all made of the same material, in the same way and have the same basic properties, except for thickness. Unaffected by aging/No fiber subject to mildew/No metal subject to corrosion/No asphalt subject to bleeding, cracking or emulsification/Low temperature flexibility/Abrasion and tear resistance/No need for asphalt coating/Excellent impermeability/Lower cost than copper flashing.

EXPOSED FLASHING NERVASTRAL SPECIFICATION
NERVASTRAL 600 is recommended for exposed flashing in place of metal flashing which would require painstaking fabrication and soldering. It can be filleted in the form of a flanged sleeve around vents and
columns. Weather resistant/Resilient/Flexible/Abrasion resistant/High tensile strength and puncture resistance/Tear resistant.